Our collars from the Adventure Line comes with a wide variety of patterns and is offered in 5 sizes ranging from Extra Small to Extra Large. Each collar is made with a dual-layer polypropylene webbing that can withstand 600 pounds of pull pressure. In addition, the top-of-the-line side release buckle made by YKK features a unique patented 4 point locking system that prevents accidental release. To top it off, each collar is backed by our lifetime warranty commitment